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Fiat Uno Common Problems and Solutions

Idling problem

Problem:

A common problem on the Fiat Uno is for the engine to cut out when idling, and sometimes it can be difficult to start after this happens. The usual cause of this problem is for a faulty coolant sensor.

Models affected:

Solution:

You will need to replace the coolant sensor if this is the problem. It could also be related to the distributor, which usually means the vacuum advance pipe is leaking (check the starting problem above).

Difficulty level

3

Part you need

Coolant Level Sensor

Part required

Coolant Level Sensor

Get a quote for Coolant Level Sensor

Braking problem

Problem:

If you have noticed that the brakes are really spongy when you first start the car, you most likely have a leak somewhere in the rear brakes. The usual cause is a leak with the wheel cylinder.

Models affected:

Solution:

You will have to identify exactly where the leak is coming from and if it is the wheel cylinder, you will need to replace this part to resolve the issue.

Difficulty level

3

Car overheating

Problem:

It is known on the Fiat Uno for the engine to overheat, which could be caused by a broken Cylinder Head gasket or a broken thermostat.

Models affected:

Solution:

If there is water leaking out the overflow or white smoke coming out the exhaust, it is the cylinder head gasket. Otherwise, replace the thermostat. The video below is showing signs of blown cylinder head gasket!

Difficulty level

4

Part you need

Cylinder Head Gasket

Part required

Cylinder Head Gasket

Get a quote for Cylinder Head Gasket

Starting problems

Problem:

If you have found the engine on your Uno is starting properly or is cutting out, then two problems are the main causes of this on the Uno. The first thing to check is the vacuum advance, which can be damaged, resulting in a leak in the pipe. Another cause could be the ECU being faulty.

Models affected:

Solution:

You will need to identify if it is the vacuum advance or the ECU. If it is the vacuum advance, you will need to buy a replacement pipe or if it is the ECU, you will need to replace the ECU.

Difficulty level

3

Scraping Noise From Gearbox

Problem:

The gearbox is making a scraping noise that goes when you press down on the clutch while idling but returns when driving at normal speeds.

Models affected:

Solution:

Firstly, check that there is enough lubrication in the gearbox, and apply if it is overly dry. If the situation persists, you will have damaged drive shafts, which you can order replacements from our drop-down parts list.

Difficulty level

2

Part you need

Driveshaft

Part required

Driveshaft

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Excessive Vibrating

Problem:

The car has started to vibrate a lot while accelerating. This is often accompanied by a sudden drop in power.

Models affected:

Solution:

There are a few things that you can try here. Start by ordering new spark plugs from our online store and replace any worn-out ones. If that doesn’t solve the problem and there are no obvious issues with the wires that go to the spark plugs, then the problem is being caused by a broken fuel injector. We have plenty of these in stock for the Uno and can deliver a replacement straight to you.

Difficulty level

3

Reading these common Fiat Uno problems should help you find out what is wrong with your Fiat Uno – or just what to look out for in the future. We’ll also give suggestions on what to do if your Fiat Uno does have one of these issues.